Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Nomeie o antigo nome búlgaro para ruen, ruy.
 ###Tabelas: CREATE TABLE  (_id AUTO_INCREMENT PRIMARY KEY, No. INT, English name VARCHAR, Bulgarian name VARCHAR, Bulgarian name ( Transliteration ) VARCHAR, Old Bulgarian Names VARCHAR, Old Bulgarian name (Transliteration) VARCHAR, Old Bulgarian name - Meaning VARCHAR) CREATE TABLE south-east (south-east_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Faith VARCHAR, Type VARCHAR, DCSF number INT, Ofsted number INT) CREATE TABLE 2003_fedex_ground_winners (2003_fedex_ground_winners_id AUTO_INCREMENT PRIMARY KEY, Week INT, Player VARCHAR, Team VARCHAR, Opponent VARCHAR, Carries INT, Yards INT, Average VARCHAR, Touchdowns INT) CREATE TABLE 2012–13_season_standings (2012–13_season_standings_id AUTO_INCREMENT PRIMARY KEY, Team VARCHAR, Sets+ INT, Sets– INT, Points+ INT, Points– INT) CREATE TABLE lpga_major_championship (lpga_major_championship_id AUTO_INCREMENT PRIMARY KEY, Year INT, Dates VARCHAR, Venue VARCHAR, Champion VARCHAR, Country VARCHAR, Score INT, To par VARCHAR, Margin of victory VARCHAR, Runner(s)-up VARCHAR, Purse ( $ ) INT, Winner's share ($) INT)  
SELECT Old Bulgarian name - Meaning FROM  WHERE Old Bulgarian name (Transliteration) = Ruen, Ruy